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All Journal JOURNAL OF SCIENCE AND SOCIAL RESEARCH Antivirus : Jurnal Ilmiah Teknik Informatika Entrepreneurship and Small Business Research CHANNEL: Jurnal Komunikasi Journal of Science and Mathematics Education
Dafa, Muhammad
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Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences

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ANALISIS PENGARUH KUALITAS WEBSITE PPDB TERHADAP KEPUASAN PENGGUNA MENGGUNAKAN REGRESI LINIER BERGANDA Silvia, Hana; Aprilia Kartini, Kasih; Dafa, Muhammad; Nuris, Nuzuliarini; Diantika, Sri
Antivirus : Jurnal Ilmiah Teknik Informatika Vol 18 No 2 (2024): November 2024
Publisher : Universitas Islam Balitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/antivirus.v18i2.3936

Abstract

In today’s digital era, many individuals rely on websites to quickly and efficiently obtain information. Vocational High Schools (SMK) are not left behind in leveraging modern technology through the website-based New Student Admission System (PPDB). While this system offers convenience, crucial questions arise regarding the quality of the PPDB Bersama website and its impact on user satisfaction. This study aims to analyze the effect of website quality on user satisfaction at SMKS 28 Oktober 1928 II. Utilizing the Webqual 4.0 method, the research identifies three independent variables: usability, information quality, and interaction quality, with user satisfaction as the dependent variable. Data processing was conducted using Excel and SPSS. The results indicate that all independent variables significantly contribute to user satisfaction. The coefficient of determination (R²) of 0.813 suggests that 81.3% of user satisfaction can be explained by these variables, while the remaining percentage is influenced by other factors. These findings affirm that the quality of the PPDB Bersama website has a significant positive impact on user satisfaction at SMKS 28 Oktober 1928 II, highlighting the importance of enhancing and maintaining platform quality to support better educational processes.
PENERAPAN SISTEM PENGGAJIAN TERINTEGRASI ABSENSI PADA PT. TELKOM INDONESIA MEDAN DENGAN MENGGUNAKAN METODE AGILE BERBASIS WEB Dafa, Muhammad; Mayasari, Nova
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol 7, No 4 (2024): November 2024
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v7i4.2237

Abstract

Abstract: The implementation of a contract employee payroll system integrated with attendance is an important step in improving the efficiency and accuracy of the payroll process at PT. Telkom Indonesia Medan. This system is designed web-based using the Agile method, which allows system development to be carried out iteratively and flexibly according to user needs. Integration between attendance and payroll data allows contract employee salary calculations to be carried out automatically, based on their attendance data. The Agile method was chosen because of its ability to support rapid development and adapt to change. The implementation of this system shows a significant increase in operational efficiency and accuracy of salary calculations, as well as reducing the potential for manual errors. It is hoped that with this system, PT. Telkom Indonesia Medan can manage contract employee payroll more transparently, accurately, and efficiently. Keywords: Payroll System, Contract Employees, Attendance, Agile, Web, PT. Telkom                  Indonesia Medan. Abstrak: Penerapan sistem penggajian karyawan kontrak yang terintegrasi dengan absensi merupakan langkah penting dalam meningkatkan efisiensi dan akurasi proses penggajian di PT. Telkom Indonesia Medan. Sistem ini dirancang berbasis web dengan menggunakan metode Agile, yang memungkinkan pengembangan sistem dilakukan secara iteratif dan fleksibel sesuai dengan kebutuhan pengguna. Integrasi antara data absensi dan penggajian memungkinkan perhitungan gaji karyawan kontrak dilakukan secara otomatis, berdasarkan data kehadiran mereka. Metode Agile dipilih karena kemampuannya untuk mendukung pengembangan yang cepat dan adaptif terhadap perubahan. Implementasi sistem ini menunjukkan peningkatan signifikan dalam efisiensi operasional dan ketepatan perhitungan gaji, serta mengurangi potensi kesalahan manual. Diharapkan dengan adanya sistem ini, PT. Telkom Indonesia Medan dapat mengelola penggajian karyawan kontrak dengan lebih transparan, akurat, dan efisien. Kata kunci: Sistem Penggajian, Karyawan Kontrak, Absensi, Agile, Web, PT. Telkom Indonesia Medan.
Adaptive Capital Budgeting Practices in Micro-Family Enterprises: Exploring Informal Financial Strategies Arima, Ulfah; Windiani, Titik; Ramadhani, Mardiatul; Dafa, Muhammad; Rahmatul Husna, Mutia
Entrepreneurship and Small Business Research Vol. 2 No. 3 (2023): Entrepreneurship and Small Business Research (December 2023 - March 2024)
Publisher : Publication Division of International Ecsis Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55980/esber.v1i2.26

Abstract

This study explores applying capital budgeting theory in a micro-scale, family-run enterprise founded by a student entrepreneur in Indonesia. This paper used a qualitative case study, the research investigates how core principles of capital budgeting are applied informally in a resource-constrained context. Data were gathered through semi-structured interviews and field observations, enabling the exploration of investment decision-making, financial planning, and family involvement. Findings show that although the business does not apply complex techniques like NPV or IRR, it employs intuitive and adaptive methods such as payback period estimation and cash flow tracking based on experience, informal communication, and shared family judgment. These practices are grounded in the owner's academic background and sustained by collaborative family roles. The study contributes to the literature by highlighting how capital budgeting can be contextualised in micro-enterprise settings and emphasises the role of educational exposure and social capital in replacing formal financial systems. The findings also suggest the potential for integrating simplified digital tools to improve decision quality without overwhelming micro-entrepreneurs. This paper provides educators, development agencies, and policymakers with insight into supporting financial literacy and investment capability in the informal sector.
Strategic Cyber Public Relations: A Case Study of PT PLN Nusantara Power’s Engagement on Instagram Teguh, Monika; Dafa, Muhammad; Aji, Imanuel Deny Krisna; Sistiawan, Ivana Clairine
CHANNEL: Jurnal Komunikasi Vol. 11 No. 2 (2023): CHANNEL: Jurnal Komunikasi 23rd Edition
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/channel.v11i2.411

Abstract

In the wake of the COVID-19 pandemic, digital communication channels, particularly social media platforms, have become pivotal for organizations worldwide. This study presents a detailed analysis of PT PLN Nusantara Power’s (PT PLN NP) strategic Cyber Public Relations (PR) activities on Instagram. PT PLN NP, a leading energy company in Indonesia, adeptly navigated the digital landscape, earning recognition as the "Most Popular BUMN Subsidiary in Digital Media." Through a comprehensive exploration of PT PLN NP’s cyber PR strategies, encompassing planning, implementation, and evaluation stages, this research provides valuable insights into effective online engagement. The study delves into the contextualization of content, emphasizing its alignment with both internal company dynamics and public interests. It highlights the importance of communication strategies, focusing on the creation of valuable, engaging content tailored to audience needs. Collaborative initiatives, involving partnerships with external entities, are examined as essential components fostering brand affinity. Additionally, the study underscores the significance of real-time interaction and connection with the audience, ensuring the company’s responsiveness and fostering a sense of community. This research offers a robust framework for organizations aiming to enhance their cyber PR efforts, emphasizing the importance of Instagram as a strategic communication tool.
Simulasi Komputer Dalam Analisis Pergerakan Fluida Dafa, Muhammad; Labik , Faizin
Journal of Science and Mathematics Education Vol. 1 No. 1 (2025): Journal of Science and Mathematics Education, March 2025
Publisher : Lembaga Publikasi Ilmiah Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70716/josme.v1i1.153

Abstract

Computer simulations have become a highly important tool in the analysis of fluid motion, particularly in the fields of engineering and science. With advancements in computational technology, numerical methods such as Computational Fluid Dynamics (CFD) are increasingly used to accurately model various fluid flow phenomena. This study aims to analyze the effectiveness of computer simulations in understanding fluid dynamics, both in laminar and turbulent flows. The methods employed include the application of numerical algorithms, geometry modeling, and the analysis of physical parameters that influence fluid movement. The simulation results indicate that computer-based approaches can represent flow characteristics with a high level of accuracy, especially under complex boundary conditions. Moreover, simulations allow for cost and time savings compared to physical experiments and offer flexibility in testing various system variables. The conclusion of this research affirms that computer simulation is an effective method for analyzing fluid motion and holds great potential for technological development across various fields, including mechanical engineering, aerospace, and the energy industry.
Co-Authors Aprilia Kartini, Kasih Arima, Ulfah Diantika, Sri Imanuel Deny Krisna Aji Labik , Faizin Mayasari, Nova Monika Teguh Nuzuliarini Nuris Rahmatul Husna, Mutia Ramadhani, Mardiatul Silvia, Hana Sistiawan, Ivana Clairine Windiani, Titik